TEKS 6.9A Thermal Energy Transfer

The baby chickens are kept warm from the heat lamps. This demonstrates what kind of heat transfer?

• conduction

• convection

• radiation

Energy that travels as electromagnetic waves is called ______

• conduction

• convection

• radiation

Radiation is how energy from the sun is transferred to Earth.

• true

• false

The transfer of thermal energy through a substance by direct contact is called___.

• conduction

• insulation

• convection

• radiation

The transfer of thermal energy from one place to another by the the movement of fluids is

• convection

• conduction

• radiation

• thermal energy

______ occurs when a cooler, denser mass of a liquid or gas replaces a warmer, less dense mass of a gas or liquid

• Convection

• Conduction

• Radiation

What happens to particles as they heat up?

• They slow down

• Nothing

• They don't move

• They speed up

Thermal energy ALWAYS moves from _____ to _____.

• solid to liquid

• ice to water

• hot to cold

• solid to gas

The Law of Conservation of Energy states:

• Energy can be created and destroyed but not transformed

• Energy cannot be created or destroyed, it can only be transformed

• Energy can't be created, destroyed or transformed

Feeling the heat from a campfire

• Conduction

• Convection

• Radiation